gaṇaṁ yugapad āviśat

kala-sanjnam-known as Kali; tada-at that time; devim-the goddess; bibhrat-destructive; saktim-potency; urukramah-the supreme powerful; trayovimsati-twenty-three; tattvanam-of the elements; ganam-all of them; yugapat-simultaneously; avisat-entered.